package com.itheima.test2;

public interface Inter {

   public static final int NUM=10;
   void sing();
   public static void  show(){

      start();
      System.out.println("Inter1.。。。show");
     end();
   }

   private static void start( ) {
      System.out.println("方法开始了");
   }
private static void end(){
   System.out.println("方法结束了");
}
   public static void  show2(){

      start();
      System.out.println("Inter1.。。。show2");
      end();
   }
}
